Niigataite
A variety of Minerals
What is Niigataite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Niigataite before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Niigataite Localities Map
See where Niigataite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- pale grey to yellowish green
- Hardness (Mohs)
- 5 - 5.5
- Density
- 3.63 g/cm³
- Streak
- white
Chemical Properties
- Chemical Formula
- {CaSr}{Al3}(Si2O7)(SiO4)O(OH)
- Elements
- Al, Ca, H, O, Si, Sr
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Niigataite FAQs
How do I identify Niigataite?
Niigataite can be identified by its hardness of 5 - 5.5 on the Mohs scale, pale grey to yellowish green color. Look for these key characteristics when examining specimens.
What color is Niigataite?
Niigataite typically appears in pale grey to yellowish green. Color can vary depending on impurities and formation conditions.
How hard is Niigataite?
Niigataite has a hardness of 5 - 5.5 on the Mohs scale. This gives it moderate hardness.
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